Rolling ball style cosmetic container structure

ABSTRACT

A rolling ball style cosmetic container structure includes a tube, an axle sleeve, a hollow piston rod, a resilient member and an exterior cap. The axle sleeve includes a holding space, an inner flange, an outer flange, a resistant holding surface and a material discharge hole. The hollow piston rod includes a flanged disk, an annular flange, a receiving space, a central bore and a rod part. The hollow piston rod closes the material discharge hole in the retracted position and being with the central bore, the holding space, and the material discharge hole in fluid communication when the hollow piston rod is in the extended position, The rod part blocks the material discharge hole of the axle sleeve to avoid it from leaking. Thus, the cosmetic container structure doesn&#39;t have the problem of leaking liquid.

BACKGROUND OF THE INVENTION

1. Field of Invention

The invention relates to a cosmetic container structure and more particularly to a rolling ball style cosmetic container structure that can prevent liquid overflow too much when its enclosure cap is screwed off for usage, can prevent liquid from leaking when its enclosure cap is screwed on.

2. Description of Related Art

Referring to FIG. 6 and FIG. 7, conventional rolling ball style cosmetic container includes a tube 1, a sleeve part 2 and a cap 5. The sleeve part 2 has a central bore 3. The sleeve part 2 is mounted a ball 4 in the central bore 3. The tube 1 contains cosmetic liquid. The sleeve part 2 is connected to the tube 1 by being sleeved inside the opening. The tube 1 comprises a first threaded part. The cap 5 comprises a second threaded part. The first threaded part of the tube 1 is threadedly connected to the second threaded part of the cap 5.

However, conventional rolling ball style cosmetic container is short of the function of leaking-proof. Thus, it is pretty easy to leak liquid when it is in storage or pressed. It is very inconvenient to deal with the problem of leaking liquid.

Besides, the liquid is directly contact with the ball. The amount of discharging liquid can't be controlled. Conventional rolling ball style cosmetic container often discharges too much at one time. It leads to waste the cosmetic liquid contained in the tube. Furthermore, the sealing of the Conventional rolling ball style cosmetic container is not reliable and thus cosmetic liquid materials contained therein may become dry or deteriorate in quality. Thus, the need for improvement still exists.

SUMMARY OF THE INVENTION

It is therefore one object of the invention to provide a rolling ball style cosmetic container structure including a tube, an axle sleeve, a hollow piston rod, a resilient member and an exterior cap. The tube includes a containing space for containing liquid, a opening and a threaded part, the opening arranged axially at one end. The threaded part is mounted near the opening. The axle sleeve includes a holding space, an inner flange, an outer flange, a resistant holding surface and a material discharge hole extending between the holding space and the containing space of the tube. The resistant holding surface formed inside the axle sleeve; the axle sleeve connected to the tube by being sleeved at the inside of the opening. The hollow piston rod includes a flanged disk, an annular flange, a receiving space, a central bore and a rod part. The receiving space is for mounting at least one rolling ball, the flanged disk is mounted on the rod part, the annular flange is mounted on the rod part, the hollow piston rod is movably mounted in the holding space of the axle sleeve between an extended position and a retracted position. The hollow piston rod closes the material discharge hole in the retracted position and being with the central bore, the holding space, and the material discharge hole in fluid communication when the hollow piston rod is in the extended position.

The resilient member includes a first end and a second end, the first end contacts with the resistant holding surface, the second end contacts with the annular flange of the piston rod. The annular flange is greater than the inner flange. The annular flange is stopped by the inner flange. The exterior cap has a pressing member and an inner threaded portion; the inner threaded portion threadedly connected to the threaded part of the tube. The pressing member presses the hollow piston rod and constricts the resilient member; the rod part blocks the material discharge hole of the axle sleeve from leaking. The exterior cap is removably connected to the tube to enclose the opening.

In a first aspect of the invention the tube is a flexible tube.

In a second aspect of the invention the tube is a blow-molding container.

In a third aspect of the invention the tube is an injection-molding container and pen-shaped.

In a fourth aspect of the invention the tube is an injection-molding vacuum container.

In a fifth aspect of the invention the receiving space is mounted three rolling balls.

By utilizing the invention, the following advantages are obtained. First, the present invention has the function of valve assembly to be able to control the amount of discharging liquid. The present invention has the function of leaking-proof. When the cap is capped, the hollow piston rod blocks the material discharge hole tightly. Thus, the present invention doesn't have the problem of leaking liquid.

The invention will become more obvious from the following description when taken in connection with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an exploded view of a first preferred embodiment of a rolling ball style cosmetic container in accordance with the present invention;

FIG. 2 is a cross-sectional view of the rolling ball style cosmetic container in FIG. 1;

FIG. 3 is an cross-sectional view of the rolling ball style cosmetic container when uncapped;

FIG. 4 is a perspective view of a second preferred embodiment of the rolling ball style cosmetic container according to the invention;

FIG. 5 is a perspective view of a third preferred embodiment of the rolling ball style cosmetic container according to the invention;

FIG. 6 is an exploded view of a conventional rolling ball style cosmetic container; and

FIG. 7 is an cross-sectional view of a conventional rolling ball style cosmetic container.

DETAILED DESCRIPTION OF THE INVENTION

Referring to FIGS. 1 to 5, a rolling ball style cosmetic container structure includes a tube 10, an axle sleeve 20, a hollow piston rod 30, a resilient member 40 and an exterior cap 50. The tube 10 includes a containing space 11 for containing liquid, a opening 12 and a threaded part 13, the opening 12 arranged axially at one end. The threaded part 13 is mounted near the opening 12.

The axle sleeve 20 includes a holding space 21, an inner flange 212, an outer flange 211, a resistant holding surface 22 and a material discharge hole 23 extending between the holding space 21 and the containing space 11 of the tube 10. The resistant holding surface 22 is ladder-shaped. The resistant holding surface 22 formed inside the axle sleeve 20. The axle sleeve 20 is connected to the tube 10 by being sleeved at the inside of the opening 12.

The hollow piston rod 30 includes a flanged disk 31, an annular flange 321, a receiving space 33, a central bore 35 and a rod part 32. The receiving space 33 is for mounting at least one rolling ball 34, the flanged disk 31 is mounted on the rod part 32, the annular flange 321 is mounted on the rod part 32, the hollow piston rod 30 is movably mounted in the holding space 21 of the axle sleeve 20 between an extended position and a retracted position. The hollow piston rod 30 closes the material discharge hole 23 in the retracted position and being with the central bore 35, the holding space 21, and the material discharge hole 23 in fluid communication when the hollow piston rod 30 is in the extended position.

The resilient member 40 includes a first end and a second end, the first end contacts with the resistant holding surface 22, the second end contacts with the annular flange 321 of the hollow piston rod 30. The annular flange 321 is greater than the inner flange 212. The annular flange 321 is stopped by the inner flange 212.

The exterior cap 50 has a pressing member 52 and an inner threaded portion 51. The inner threaded portion 51 is threadedly connected to the threaded part 13 of the tube 10. The pressing member 52 presses the hollow piston rod 30 and constricts the resilient member 40. The rod part 32 blocks the material discharge hole 23 of the axle sleeve 20 to avoid it from leaking. The exterior cap 50 is removably connected to the tube 10 to enclose the opening 12.

Preferably, the tube 10 is a flexible tube.

Preferably, the tube 10 is a blow-molding container.

Preferably, the tube 10 is an injection-molding container and pen-shaped.

Preferably, the tube 10 is an injection-molding vacuum container.

Preferably, the receiving space 33 is mounted three rolling balls 34.

In use as shown in FIG. 3, an individual may first unscrew the cap 50 and remove the cap 50 from the tube 10. The resilient member 40 is a spring. The hollow piston rod 30 is immediately pushed forward by the expanding spring pushing the annular flange 321. Also, the material discharge hole 23 is not blocked by the rod part 32. Hence, the tube 10 is in fluid communication with the central bore 35 of the hollow piston rod 30 through the material discharge hole 23. An individual can use the present invention to discharge cosmetic liquid to massage and nourish skin. The annular flange 321 may be blocked by the inner flange 212 to prevent the hollow piston rod 30 to depart from the axle sleeve 20.

The exterior cap 50 is removably connected to the tube 10 to enclose the opening 12 by utilizing the pressing member 52 to press the hollow piston rod 30 to block the material discharge hole 23.

By utilizing the invention, the following advantages are obtained. First, the present invention has the function of valve assembly to be able to control the amount of discharging liquid. The present invention has the function of leaking-proof. When the cap 50 is capped, the hollow piston rod 30 blocks the material discharge hole 23 tightly. Thus, the present invention doesn't have the problem of leaking liquid.

While the invention herein disclosed has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of the invention set forth in the claims. 

1. A rolling ball style cosmetic container structure comprising: a tube including a containing space for containing liquid, a opening and a threaded part, the opening arranged axially at one end, the threaded part mounted near the opening; an axle sleeve including a holding space, an inner flange, an outer flange, a resistant holding surface and a material discharge hole extending between the holding space and the containing space of the tube; the resistant holding surface formed inside the axle sleeve, the axle sleeve connected to the tube by being sleeved at the inside of the opening; a hollow piston rod including a flanged disk, an annular flange, a receiving space, a central bore and a rod part, the receiving space being for mounting at least one rolling ball, the flanged disk being mounted on the rod part, the annular flange being mounted on the rod part, the hollow piston rod movably mounted in the holding space of the axle sleeve between an extended position and a retracted position, the hollow piston rod closing the material discharge hole in the retracted position and being with the central bore, the holding space, and the material discharge hole in fluid communication when the hollow piston rod is in the extended position; a resilient member comprising a first end and a second end, the first end contacts with the resistant holding surface, the second end contacts with the annular flange of the piston rod, the annular flange being greater than the inner flange, the annular flange being stopped by the inner flange; and an exterior cap having a pressing member and an inner threaded portion; the inner threaded portion threadedly connected to the threaded part of the tube; the pressing member presses the hollow piston rod and constricts the resilient member; the rod part blocks the material discharge hole of the axle sleeve to avoid leaking; the exterior cap being removably connected to the tube to enclose the opening.
 2. The cosmetic container structure of claim 1, wherein the tube is a flexible tube.
 3. The cosmetic container structure of claim 1, wherein the tube is a blow-molding container.
 4. The cosmetic container structure of claim 1, wherein the tube is an injection-molding container and pen-shaped.
 5. The cosmetic container structure of claim 1, wherein the tube is an injection-molding vacuum container.
 6. The cosmetic container structure of claim 1, wherein the receiving space is mounted three rolling balls. 